<script setup>
    import {User, Lock} from '@element-plus/icons-vue'
    import {ref} from 'vue'
    import adminApi from '@/api/admin.js'
    import captchaApi from "@/api/captcha.js";
    import {ElMessage} from "element-plus";
    import {useRouter} from 'vue-router'

    const router = useRouter()
    import {useTokenStore} from '@/store/token.js'

    const tokenStore = useTokenStore()

    //定义数据模型
    const loginInfoDTO = ref({
        name: '',
        password: '',
        captcha: '',
        uuid: ''
    })


    //表单校验模型
    const rules = ref({
        name: [
            {required: true, message: '请输入用户名', trigger: 'blur'},
            {min: 5, max: 16, message: '用户名的长度必须为5~16位', trigger: 'blur'}
        ],
        password: [
            {required: true, message: '请输入密码', trigger: 'blur'},
            {min: 3, max: 16, message: '密码长度必须为3~16位', trigger: 'blur'}
        ]
    })

    const login = () => {
        adminApi.login(loginInfoDTO.value).then(result => {
            console.log(result)
            if (result.code == 0) {
                ElMessage.success(result.msg ? result.msg : '登录成功')
                //把得到的token放到pinia中
                tokenStore.setToken(result.data)
                //TODO 路由到首页 /
                router.push('/')
            } else {
                //ElMessage.error(result.msg)
                loadCaptcha()
            }
        })
    }

    const captcha = ref('')
    const loadCaptcha = () => {
        captchaApi.captcha().then(result => {
            captcha.value = result.data.captcha
            loginInfoDTO.value.uuid = result.data.uuid
        })
    }

    loadCaptcha()


</script>

<template>
    <div class="login-bg">
        <!-- 登录表单 -->
        <el-form class="form-login" ref="form" size="large" autocomplete="off" :model="loginInfoDTO" :rules="rules">
            <el-form-item>
                <h1>登录</h1>
            </el-form-item>
            <el-form-item prop="name">
                <el-input :prefix-icon="User" placeholder="请输入用户名" v-model="loginInfoDTO.name"></el-input>
            </el-form-item>
            <el-form-item prop="password">
                <el-input name="password" :prefix-icon="Lock" type="password" placeholder="请输入密码"
                          v-model="loginInfoDTO.password"></el-input>
            </el-form-item>
            <el-form-item prop="captcha">
                <el-input name="captcha" v-model="loginInfoDTO.captcha" placeholder="验证码" auto-complete="off"
                          prefix-icon="el-icon-refresh"></el-input>
                <img width="160px" :src="captcha" @click="loadCaptcha" alt="验证码"/>
            </el-form-item>
            <!-- 登录按钮 -->
            <el-form-item>
                <el-button class="button" type="primary" auto-insert-space @click="login">登录</el-button>
            </el-form-item>
        </el-form>
    </div>

</template>

<style scoped>

    .login-bg {
        height: 100%;
        background-repeat: no-repeat;
        background-position: center;
        background-attachment: fixed;
        background-size: cover;
    }

    .form-login {
        width: 280px;
        padding: 20px;
        position: absolute;
        top: 20%;
        left: calc(50% - 150px);
        background-color: #FFF;
        box-shadow: 10px 10px 30px #000;
    }
</style>